[35cdc46] | 1 | //FJSTARTHEADER
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[cb80e6f] | 2 | // $Id: NestedDefsPlugin.hh 4442 2020-05-05 07:50:11Z soyez $
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[d7d2da3] | 3 | //
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[cb80e6f] | 4 | // Copyright (c) 2007-2020, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
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[d7d2da3] | 5 | //
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| 6 | //----------------------------------------------------------------------
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| 7 | // This file is part of FastJet.
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| 8 | //
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| 9 | // FastJet is free software; you can redistribute it and/or modify
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| 10 | // it under the terms of the GNU General Public License as published by
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| 11 | // the Free Software Foundation; either version 2 of the License, or
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| 12 | // (at your option) any later version.
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| 13 | //
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| 14 | // The algorithms that underlie FastJet have required considerable
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[35cdc46] | 15 | // development. They are described in the original FastJet paper,
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| 16 | // hep-ph/0512210 and in the manual, arXiv:1111.6097. If you use
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[d7d2da3] | 17 | // FastJet as part of work towards a scientific publication, please
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[35cdc46] | 18 | // quote the version you use and include a citation to the manual and
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| 19 | // optionally also to hep-ph/0512210.
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[d7d2da3] | 20 | //
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| 21 | // FastJet is distributed in the hope that it will be useful,
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| 22 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 23 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 24 | // GNU General Public License for more details.
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| 25 | //
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| 26 | // You should have received a copy of the GNU General Public License
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| 27 | // along with FastJet. If not, see <http://www.gnu.org/licenses/>.
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| 28 | //----------------------------------------------------------------------
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[35cdc46] | 29 | //FJENDHEADER
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[d7d2da3] | 30 |
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| 31 | #ifndef __NESTEDALGSPLUGIN_HH__
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| 32 | #define __NESTEDALGSPLUGIN_HH__
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| 33 |
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| 34 | #include "fastjet/JetDefinition.hh"
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| 35 | #include <list>
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| 36 | #include <memory>
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| 37 | #include <cmath>
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| 38 |
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| 39 | // questionable whether this should be in fastjet namespace or not...
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| 40 | FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh
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| 41 |
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| 42 | // another forward declaration to reduce includes
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| 43 | class PseudoJet;
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| 44 |
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| 45 | //----------------------------------------------------------------------
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| 46 | //
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| 47 | /// @ingroup plugins
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| 48 | /// \class NestedDefsPlugin
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| 49 | /// Plugin to run multiple jet definitions successively (plugin for fastjet v2.4 upwards)
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| 50 | ///
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| 51 | /// NestedAglsPlugin is a plugin for fastjet (v2.4 upwards) that, given
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| 52 | /// a list of jet definitions, performs the clustering by feeding the
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| 53 | /// particles to the first algorithm and then, successively feeding the
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| 54 | /// output to the next algorithm in the list.
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| 55 | //
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| 56 | class NestedDefsPlugin : public JetDefinition::Plugin {
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| 57 | public:
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| 58 | /// Main constructor for the NestedDefs Plugin class.
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| 59 | ///
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| 60 | /// The argument is an initialised list of jet algorithms
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| 61 | NestedDefsPlugin (std::list<JetDefinition> &defs) :
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| 62 | _defs(defs){}
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| 63 |
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| 64 | /// copy constructor
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| 65 | NestedDefsPlugin (const NestedDefsPlugin & plugin) {
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| 66 | *this = plugin;
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| 67 | }
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| 68 |
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| 69 | // the things that are required by base class
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| 70 | virtual std::string description () const;
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| 71 | virtual void run_clustering(ClusterSequence &) const;
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| 72 | /// the plugin mechanism's standard way of accessing the jet radius
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| 73 | /// here we return the R of the last alg in the list
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| 74 | virtual double R() const {return _defs.rbegin()->R();}
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| 75 |
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| 76 | private:
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| 77 | std::list<JetDefinition> _defs;
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| 78 | };
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| 79 |
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| 80 | FASTJET_END_NAMESPACE // defined in fastjet/internal/base.hh
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| 81 |
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| 82 | #endif // __SISCONEPLUGIN_HH__
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| 83 |
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